#66FC9D#66FC9D

#66FC9D is a very light, vivid green. Relative luminance 0.749; OKLCH L 88.7% C 0.184 H 152.7°. Best body text is #000000 at 15.98:1 contrast (WCAG AA passes).

Color values

HEX	#66FC9D
RGB	rgb(102, 252, 157)
HSL	hsl(142, 96%, 69%)
HSV	hsv(142, 60%, 99%)
CMYK	cmyk(59.5%, 0%, 37.7%, 1.2%)
CIE-LAB	lab(89.33, -60.41, 33.86)
CIE-LCH	lch(89.33, 69.25, 150.73°)
OKLab	oklab(88.73% -0.1635 0.0845)
OKLCH	oklch(88.73% 0.184 152.7)
XYZ	xyz(46.3720, 74.8754, 43.9004)
Luminance	0.7488 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66FC9D #FC66C5

analogous

#7AFC66 #66FC9D #66FCE8

triadic

#66FC9D #9D66FC #FC9D66

tetradic

#66FC9D #667AFC #FC66C5 #FCE866

square

#66FC9D #667AFC #FC66C5 #FCE866

split-complementary

#66FC9D #E866FC #FC667A

monochromatic

#04E356 #2AFB77 #66FC9D #A2FDC3 #DEFEEA

Accessibility & contrast

On white

1.31

#66FC9D on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

15.98

#66FC9D on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66FC9D

15.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66FC9D	#FFFFFF	#000000	##000000
##66FC9D	1.00	1.31	15.98	15.98
#FFFFFF	1.31	1.00	21.00	21.00
#000000	15.98	21.00	1.00	1.00
##000000	15.98	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FCE997

Deuteranopia (green-blind)

#E8DBA3

Tritanopia (blue-blind)

#32F9E4

Achromatopsia (no color)

#E0E0E0

Design tokens & code

CSS

--color: #66fc9d;
/* rgb */ color: rgb(102, 252, 157);
/* oklch */ color: oklch(88.7% 0.184 152.7);

Tailwind

colors: {
  custom: {
    50: '#9efeba',
    500: '#66fc9d',
    950: '#000000',
  },
}

SCSS

$custom: #66fc9d;
$custom-light: #9efeba;
$custom-dark: #000000;

JSON

{
  "hex": "#66fc9d",
  "rgb": {
    "r": 102,
    "g": 252,
    "b": 157
  },
  "hsl": {
    "h": 142,
    "s": 96.154,
    "l": 69.412
  },
  "oklch": {
    "l": 0.8873,
    "c": 0.18408,
    "h": 152.7
  },
  "luminance": 0.7488
}

Semantic roles & 50–950 ramp

primary

#66FC9D

secondary

#D63099

accent

#0091E6

background

#FCFFFD

surface

#F6FFF8

border

#D0D7D1

text

#101812

muted

#808682

Preview Lab

Preview with #66FC9D

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →